Carl Oluf Jensen

Carl Oluf Jensen (18 March 1864 – 3 September 1934) was a Danish veterinarian who contributed to the study of cancer through animal studies on cancer induction that continue to be used in research cultures and was well known as Jensen sarcoma cells.

Jensen was born to Peter and Dorothea Rasmusdatter and although interested in mathematics and astronomy, trained to become a veterinarian, qualifying at the age of 18 in 1882, he began practice in Copenhagen.

He became an associate professor at the Royal Danish academy of Sciences in 1889 and taught pathology.

He also gave lectures on dairy production, bacteriology, and quality control.

From 1922 he was posted to head the Danish Ministry of Agriculture and was restricted to administrative activities.